Here's the correct tab for the song. I've been ear-translating this for the longest time
and it sounds exactly the song. This all the song is, but once you get near the "And
you'll die" part just play the 9th fret on the E string like the beginning of the song. Enjoy!
[ Tab from: https://www.guitartabs.cc/tabs/j/julian_smith/jellyfish_tab_ver_7.html ]
e|-----------------|-----------------|-----------------|------------------|
B|-----------------|-----------------|-----------------|------------------|
G|-----------------|-----------------|-----------------|------------------|
D|-----------------|-----------------|-----------------|------------------|
A|-----------------|------10-10----10|------10-10----10|-------10-10----10|
E|-9-9---9-9----9-9|-9-9--------9----|-9-9--------9----|-12-12-------12---|
e|-----------------|
B|-----------------|
G|-----------------|
D|-----------------|
A|--------8-8-----8|
E|-10-10------10---|